Finding the Third Proportional to 1,409,606 and 2,147,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,606 : 2,147,456 = 2,147,456 : x
2. Step 2: Convert to fraction form
   1,409,606/2,147,456 = 2,147,456/x
3. Step 3: Cross multiply
   1,409,606x = 2,147,456 × 2,147,456
4. Step 4: Simplify right side
   1,409,606x = 4,611,567,271,936
5. Step 5: Solve for x
   x = 4,611,567,271,936/1,409,606
6. Step 6: Final answer
   x = 3,271,529.26